diff --git a/lib/_http_server.js b/lib/_http_server.js
index 04b6ef75302df1..f18baa6020eee7 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -380,13 +380,13 @@ function connectionListenerInternal(server, socket) {
 function updateOutgoingData(socket, state, delta) {
   state.outgoingData += delta;
   if (socket._paused &&
-      state.outgoingData < socket.writeHWM) {
+      state.outgoingData < socket.writableHighWaterMark) {
     return socketOnDrain(socket, state);
   }
 }
 
 function socketOnDrain(socket, state) {
-  var needPause = state.outgoingData > socket.writeHWM;
+  var needPause = state.outgoingData > socket.writableHighWaterMark;
 
   // If we previously paused, then start reading again.
   if (socket._paused && !needPause) {